An ultra-lightweight adventure / touring back armour designed for long trips, both onroad and offroad. It has excellent comfort and ventilation and the protection is CE Level 2 approved, which puts it in the safest class of back protection. Nucleon KR-2 is extremely slimmed across the back and is not the least bit uncomfortable to wear under the jacket! Features: - Made from high-tech, innovative and impact absorbing foam with hard plastic channels. - Ventilated waist belt that also serves as a kidney belt. - Lightweight. Alpinestars have not compromised neither security nor comfort when they designed the Nucleon KR-2 armour!